xnu-2422.1.72.tar.gz

[apple/xnu.git] / bsd / sys / mount.h

diff --git a/bsd/sys/mount.h b/bsd/sys/mount.h
index 9a2c732f0873533f285662a7dc5b51f6e7630b4f..d2d05608a1b42a3483206190183fa544e5789505 100644 (file)
--- a/bsd/sys/mount.h
+++ b/bsd/sys/mount.h
@@ -444,12 +444,18 @@ union union_vfsidctl { /* the fields vc_vers and vc_fsid are compatible */
 #define VFS_CTL_NOLOCKS        0x00010006      /* disable file locking */
 #define VFS_CTL_SADDR  0x00010007      /* get server address */
 #define VFS_CTL_DISC    0x00010008     /* server disconnected */
+#define VFS_CTL_SERVERINFO  0x00010009  /* information about fs server */
 
 struct vfsquery {
        u_int32_t       vq_flags;
        u_int32_t       vq_spare[31];
 };
 
+struct vfs_server {
+     int32_t  vs_minutes;                       /* minutes until server goes down. */
+     u_int8_t vs_server_name[MAXHOSTNAMELEN*3]; /* UTF8 server name to display (null terminated) */
+};
+
 /* vfsquery flags */
 #define VQ_NOTRESP     0x0001  /* server down */
 #define VQ_NEEDAUTH    0x0002  /* server bad auth */
@@ -461,8 +467,8 @@ struct vfsquery {
 #define VQ_NOTRESPLOCK 0x0080  /* server lockd down */
 #define VQ_UPDATE      0x0100  /* filesystem information has changed */
 #define VQ_VERYLOWDISK 0x0200  /* file system has *very* little disk space left */
-#define VQ_SYNCEVENT   0x0400  /* a sync just happened */
-#define VQ_FLAG0800    0x0800  /* placeholder */
+#define VQ_SYNCEVENT   0x0400  /* a sync just happened (not set by kernel starting Mac OS X 10.9) */
+#define VQ_SERVEREVENT  0x0800  /* server issued notification/warning */
 #define VQ_FLAG1000    0x1000  /* placeholder */
 #define VQ_FLAG2000    0x2000  /* placeholder */
 #define VQ_FLAG4000    0x4000  /* placeholder */
@@ -490,8 +496,8 @@ struct vfsioattr {
 /*
  * Filesystem Registration information
  */
-#define VFS_TBLTHREADSAFE              0x0001
-#define VFS_TBLFSNODELOCK              0x0002
+#define VFS_TBLTHREADSAFE              0x0001  /* Only threadsafe filesystems are supported */
+#define VFS_TBLFSNODELOCK              0x0002  /* Only threadsafe filesystems are supported */
 #define VFS_TBLNOTYPENUM               0x0008
 #define VFS_TBLLOCALVOL                        0x0010
 #define VFS_TBL64BITREADY              0x0020
@@ -503,6 +509,7 @@ struct vfsioattr {
 #define        VFS_TBLNOMACLABEL               0x1000
 #define VFS_TBLVNOP_PAGEINV2           0x2000
 #define VFS_TBLVNOP_PAGEOUTV2          0x4000
+#define VFS_TBLVNOP_NOUPDATEID_RENAME  0x8000  /* vfs should not call vnode_update_ident on rename */
 
 
 struct vfs_fsentry {
@@ -1176,9 +1183,9 @@ int       vfs_getattr(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx);
 int    vfs_setattr(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx);
 int    vfs_extendedsecurity(mount_t);
 mount_t        vfs_getvfs_by_mntonname(char *);
-void    vfs_markdependency(mount_t);
 vnode_t vfs_vnodecovered(mount_t mp); /* Returns vnode with an iocount that must be released with vnode_put() */
 vnode_t vfs_devvp(mount_t mp); /* Please see block comment with implementation */
+int vfs_nativexattrs (mount_t mp); /* whether or not the FS supports EAs natively */
 void *  vfs_mntlabel(mount_t mp); /* Safe to cast to "struct label*"; returns "void*" to limit dependence of mount.h on security headers.  */
 void   vfs_setunmountpreflight(mount_t mp);
 void   vfs_setcompoundopen(mount_t mp);